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57 lines
1.0 KiB
57 lines
1.0 KiB
15 years ago
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/*
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* parse.c --- UUID parsing
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*
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* Copyright (C) 1996, 1997 Theodore Ts'o.
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*
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* %Begin-Header%
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* This file may be redistributed under the terms of the GNU
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* Library General Public License.
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* %End-Header%
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include "uuidP.h"
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int uuid_parse(const char *in, uuid_t uu)
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{
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struct uuid uuid;
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int i;
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const char *cp;
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char buf[3];
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if (strlen(in) != 36)
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return -1;
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for (i=0, cp = in; i <= 36; i++,cp++) {
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if ((i == 8) || (i == 13) || (i == 18) ||
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(i == 23)) {
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if (*cp == '-')
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continue;
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else
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return -1;
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}
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if (i== 36)
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if (*cp == 0)
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continue;
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if (!isxdigit(*cp))
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return -1;
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}
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uuid.time_low = strtoul(in, NULL, 16);
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uuid.time_mid = strtoul(in+9, NULL, 16);
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uuid.time_hi_and_version = strtoul(in+14, NULL, 16);
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uuid.clock_seq = strtoul(in+19, NULL, 16);
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cp = in+24;
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buf[2] = 0;
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for (i=0; i < 6; i++) {
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buf[0] = *cp++;
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buf[1] = *cp++;
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uuid.node[i] = strtoul(buf, NULL, 16);
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}
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uuid_pack(&uuid, uu);
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return 0;
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}
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